Research Data Supporting: Understanding the Role of Triplet-Triplet Annihilation in Non-fullerene Acceptor Organic Solar Cells

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Gillett, Alexander 
Hart, Lucy 
Grüne, Jeannine 
Liu, Wei 
Lau, Tsz-ki 

A Microsoft Excel file containing the data that forms the figures in the main text of the publication. The Microsoft Excel file contains the transient absorption and photoluminescence data, the photoluminescence-detected magnetic resonance data, the GIWAXS data, and the data underlying the plots discussing the impact of triplet-triplet annihilation on the open circuit voltage of a solar cell.

The transient absorption data is from the infrared region (1200-1600 nm) and was measured with laser excitation at 800 nm. The time resolved photoluminescence data was measured over nanosecond timescales with laser excitation at 700 nm. The photoluminescence-detected magnetic resonance data was measured with 532 nm laser excitation at X-band microwave frequencies. The GIWAXS was performed in a Xeuss 2.0 SAXS/WAXS laboratory beamline using a Cu X-ray source (8.05 keV, 1.54 Å) and a Pilatus3R 300K detector. The incidence angle is 0.2. All measurements were conducted under a vacuum environment to reduce air scattering.

Software / Usage instructions
Microsoft Excel
organic solar cell, transient absorption spectroscopy, triplet-triplet annihilation
Isaac Newton Trust (22.08(i))
Leverhulme Trust (ECF-2022-445)